If it was made into a chain tensioner it would charge only when riding but that might be enoughBeen running strong last 3+days rain and dry weather seams to run good despite by stock HP carb needed the idel screw almost all the way up to keep it ideling... next to install GPS..
I would try a beltKeeps chewing up the chain! To many rpm fore chain to handle..... Trying pinion gears next!